I am trying to install atlassian-bitbucket-5.2.2 on Google Compute Engine for the first time. I see the following error in my log after starting the installer.

2017-08-09 12:43:16,926 ERROR [spring-startup] o.e.g.b.e.i.u.c.RunnableTimedExecution Closing runnable for context NonValidatingOsgiBundleXmlApplicationContext(bundle=com.atlassian.bitbucket.server.bitbucket-ssh, config=osgibundle:/META-INF/spring/*.xml) did not finish in 10000ms; consider taking a snapshot and then shutdown the VM in case the thread still hangs2017-08-09 12:43:17,002 ERROR [spring-startup] c.a.plugin.manager.PluginEnabler Unable to start the following plugins due to timeout while waiting for plugin to enable: com.atlassian.stash.ssh-plugin

If I try to connect to 127.0.0.1:7900, I am being redirected to 127.0.0.1:7900/unavailable but timing out from there.